Home / 12,256,530.30-18,384,795.45-4,178,627.10

Finding the Fourth Proportional to 12,256,530.30, 18,384,795.45 and 4,178,627.10

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Solution

The fourth proportional to 12,256,530.30, 18,384,795.45 and 4,178,627.10 is: 6,267,940.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,256,530.30 : 18,384,795.45 = 4,178,627.10 : x
  2. Step 2: Convert to fraction form
    12,256,530.30/18,384,795.45 = 4,178,627.10/x
  3. Step 3: Cross multiply
    12,256,530.30x = 18,384,795.45 × 4,178,627.10
  4. Step 4: Simplify right side
    12,256,530.30x = 76,823,204,495,326.69
  5. Step 5: Solve for x
    x = 76,823,204,495,326.69/12,256,530.30
  6. Step 6: Final answer
    x = 6,267,940.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.